CN218581930U

CN218581930U - Overflow valve for hydraulic equipment

Info

Publication number: CN218581930U
Application number: CN202222566622.3U
Authority: CN
Inventors: 倪志斌; 曹金牛; 姜博梁
Original assignee: Dalian Anshunhe Engineering Equipment Co ltd
Current assignee: Dalian Anshunhe Engineering Equipment Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-03-07
Anticipated expiration: 2032-09-27

Abstract

The utility model relates to an overflow valve technical field discloses an overflow valve for hydraulic equipment, including the valve shell, the top rigid coupling of valve shell has fixed box, the slip of valve shell is provided with the activity stopper, through rotating the turning block, thereby utilize two rotor plates to rotate downwards simultaneously, make two third sliding blocks slide downwards, and with the sliding plate, slide post and first sliding block synchronous gliding, utilize the sliding plate to drive the second sliding block gliding simultaneously, thereby utilize the second sliding block down the spring deformation, thereby change the internal pressure that the activity stopper receives, through the antiport turning block, the elasticity of usable spring, and the rotation of rotor plate, make the second sliding block resume the normal position, through the normal running fit between fixed box internal gear and the rotor plate, the cooperation of screw thread and nut has been replaced, the problem of the smooth silk of threaded nut influenced corrosion or threaded nut smooth silk by water stain has been avoided, the life of overflow valve is prolonged.

Description

Overflow valve for hydraulic equipment

Technical Field

The utility model relates to an overflow valve technical field specifically is an overflow valve for hydraulic equipment.

Background

Relief valves are also known as safety valves. The safety valve is a key safety application guarantee for ensuring a pressure pipeline and a pressure container, and the safety overflow valve has two major types of spring type and rod type. In addition, there are impulse type safety valves, pilot type safety valves, safety switching valves, safety relief valves, dead weight type safety valves, and the like.

The relief valve of current hydraulic equipment generally when adjusting internal pressure, adopts the outside to set up the screwed pipe, cup joint the swivel nut, thereby rotate through the nut, drive inside pushing element, make inside spring take place to deform, thereby change the internal pressure value, and hydraulic equipment's work area is comparatively complicated, receive water stain interference easily, thereby make screwed pipe and nut junction corrosion easily, and the screw is adjusted with the nut for a long time, cause the condition of smooth silk very easily, thereby influence the life of overflow valve.

Therefore, in view of the above technical problems, it is necessary for those skilled in the art to develop a relief valve for a hydraulic device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an overflow valve for hydraulic equipment to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: including the valve casing, the top rigid coupling of valve casing has fixed box, the slip of valve casing is provided with the activity and fills in, the one end rigid coupling of activity stopper has the spring, the one end rigid coupling of spring has the second sliding block, the top rigid coupling of second sliding block has the sliding plate, the top rigid coupling of sliding plate has the slip post, the top rigid coupling of slip post has first sliding block, the equal rigid coupling in surface both sides of sliding plate has the third sliding block, two all rotate directly over the third sliding block and be provided with the rotor plate, two fixed the pegging graft in inside of rotor plate has two rotation axes, two the gear has all been fixed to have been cup jointed to the one end surface of rotation axis, the inner chamber top of fixed box is passed through the bearing and is rotated the grafting and is rotated the post, the top rigid coupling of rotating the post has the rotor block, the bottom of rotating the post is seted up and is thought the screw thread groove of meshing with two gears.

Preferably, two the length of rotor plate is less than the length of two third sliding blocks, and two the both ends of rotation axis all rotate through the bearing and set up in the inner chamber both sides of fixed box, and two rotor plates of being convenient for can rotate in the inside of fixed box to contact with two third sliding blocks respectively.

Preferably, two the cambered surface has all been seted up to the one end that the sliding plate was kept away from to the rotor plate, when two rotor plates rotated, through the promotion of cambered surface for the third sliding block can slide in the inside of fixed box.

Preferably, two the equal rigid coupling of the one end of keeping away from the sliding plate of third sliding block has the fourth sliding block, the spout has all been seted up to the inner chamber both sides of fixed box, two the fourth sliding block slides and sets up in the inside of two spouts, is convenient for through the sliding fit of two fourth sliding blocks and two spouts for the third sliding block is comparatively steady when fixed box inside slides.

Preferably, one end of the sliding plate is slidably arranged at the bottom of the fixed box, and the second sliding block is slidably arranged in the valve shell, so that the sliding plate is in sliding fit with the second sliding block to adjust the pressure of the movable plug on the spring.

Preferably, the sliding column is inserted into the top of the fixed box in a sliding manner, and the bottom of the sliding column is fixedly connected to the top of the sliding plate, so that the pressure applied to the sliding column and the movable plug when the sliding column slides at the corresponding position is marked.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) Through the utility model discloses a structural design of rotor plate and third sliding block, through rotating the rotor plate, utilize the bottom of rotor plate to rotate, drive two gear incorgruous rotations, thereby utilize two rotor plates to rotate downwards simultaneously, utilize two third sliding blocks of one end of two rotor plates to push down, make two third sliding blocks lapse, and with the sliding plate, slip post and first sliding block synchronous gliding, utilize the sliding plate to drive the second sliding block gliding simultaneously, thereby utilize second sliding block down spring deformation, thereby change the internal pressure that the movable plug receives, through the antiport rotor plate, the elasticity of usable spring, and the rotation of rotor plate, make the second sliding block resume the normal position, through the normal running fit between fixed box internal gear and the rotor plate, the cooperation of screw thread and nut has been replaced, the problem of the smooth silk of threaded nut receiving water stain influence or the threaded nut smooth silk has been avoided, the life of overflow valve is prolonged.

(2) Through the utility model discloses a structural design of the cambered surface of rotor plate is convenient for when two rotor plates rotate, through the promotion of cambered surface for the third sliding block can slide in the inside of fixed box.

(3) Through the utility model discloses a structural design of fourth sliding block for the third sliding block is comparatively steady when fixed box inside slides.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is an exploded view of the fixing box of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

fig. 4 is an exploded view of the valve casing of the present invention.

In the reference symbols: 1. a valve housing; 2. a fixing box; 3. a sliding post; 4. a first slider; 5. rotating the block; 6. a sliding plate; 7. a second slider; 8. a rotating plate; 9. a third slider; 10. a fourth slider; 11. rotating the column; 12. a rotating shaft; 13. a gear; 14. a spring; 15. a movable plug.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Examples

Referring to fig. 1-4, the present invention provides an overflow valve for hydraulic equipment, which comprises: including valve shell 1, the top rigid coupling of valve shell 1 has fixed box 2, the slip of valve shell 1 is provided with movable stopper 15, the one end rigid coupling of movable stopper 15 has spring 14, the one end rigid coupling of spring 14 has second sliding block 7, the top rigid coupling of second sliding block 7 has sliding plate 6, the top rigid coupling of sliding plate 6 has sliding column 3, sliding column 3's top rigid coupling has first sliding block 4, the equal rigid coupling in surface both sides of sliding plate 6 has third sliding block 9, two it is provided with rotor plate 8, two all to rotate directly over third sliding block 9 the fixed two rotation axes 12 of pegging graft in inside of rotor plate 8, two the gear 13 has all been cup jointed to the one end surface of rotation axis 12, the inner chamber top of fixed box 2 is pegged graft through the bearing and is had rotation post 11, the top rigid coupling of rotation post 11 has rotor block 5, the threaded groove who thinks the meshing with two gears 13 has been seted up to the bottom of rotation post 11.

In this embodiment, through rotating turning block 5, utilize the bottom of turning block 5 to rotate, drive two gear 13 syntropy and rotate, thereby utilize two rotor plates 8 to rotate downwards simultaneously, utilize two third sliding blocks 9 of the one end of two rotor plates 8 to push down, make two third sliding blocks 9 slide downwards, and with sliding plate 6, sliding column 3 and first sliding block 4 synchronous gliding, utilize sliding plate 6 to drive second sliding block 7 to slide downwards simultaneously, thereby utilize second sliding block 7 to push down spring 14 and deform, thereby change the internal pressure that activity stopper 15 receives, through reverse rotation rotor block 5, the elasticity of usable spring 14, and the rotation of rotor plates 8, make second sliding block 7 resume the normal position, through the normal running fit between fixed box 2 internal gear 13 and rotor plates 8, the cooperation of screw thread and nut has been replaced, the problem that the screwed nut is influenced by water stain or the smooth silk of screw nut corrosion smooth silk has been avoided, the life of overflow valve is prolonged.

Further, two the length of rotor plate 8 is less than the length of two third sliding blocks 9, and two the both ends of rotation axis 12 all set up in the inner chamber both sides of fixed box 2 through the bearing rotation.

In the present embodiment, two rotating plates 8 are allowed to rotate inside the fixed box 2, and are in contact with two third sliding blocks 9, respectively.

Furthermore, cambered surfaces are formed at one ends, far away from the sliding plate 6, of the two rotating plates 8.

In this embodiment, it is convenient that the third slide block 9 can slide inside the fixed box 2 by pushing of the arc surface when the two rotating plates 8 rotate.

Further, two the equal rigid coupling of the one end of keeping away from sliding plate 6 of third sliding block 9 has fourth sliding block 10, the spout has all been seted up to the inner chamber both sides of fixed box 2, two fourth sliding block 10 slides and sets up in the inside of two spouts.

In this embodiment, it is convenient for through the sliding fit of two fourth sliding blocks 10 and two chutes for third sliding block 9 is comparatively steady when fixed box 2 is inside to slide.

Furthermore, one end of the sliding plate 6 is slidably disposed at the bottom of the fixed box 2, and the second sliding block 7 is slidably disposed inside the valve housing 1.

In the present embodiment, the sliding fit between the sliding plate 6 and the second sliding block 7 is convenient for adjusting the pressure of the movable plug 15 on the spring 14.

Furthermore, the sliding column 3 is inserted into the top of the fixed box 2 in a sliding manner, and the bottom of the sliding column 3 is fixedly connected to the top of the sliding plate 6.

In this embodiment, a marked line is conveniently arranged at one end of the sliding column 3 which leaks out of the fixed box 2, so as to mark the pressure applied to the sliding column 3 and the movable plug 15 at the corresponding sliding position.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted", "disposed", "connected", "fixed", "screwed" and the like are to be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral body; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an overflow valve for hydraulic equipment, includes valve shell (1), its characterized in that, the top rigid coupling of valve shell (1) has fixed box (2), the slip of valve shell (1) is provided with movable stopper (15), the one end rigid coupling of movable stopper (15) has spring (14), the one end rigid coupling of spring (14) has second sliding block (7), the top rigid coupling of second sliding block (7) has sliding plate (6), the top rigid coupling of sliding plate (6) has sliding column (3), the top rigid coupling of sliding column (3) has first sliding block (4), the equal rigid coupling in surface both sides of sliding plate (6) has third sliding block (9), two all rotate directly over third sliding block (9) and be provided with rotor plate (8), two the inside fixed grafting of rotor plate (8) has two rotation axis (12), two the one end surface of rotation axis (12) all is fixed to have cup jointed gear (13), the inner chamber top of fixed box (2) has rotation post (11) through the bearing, the top rigid coupling of rotation post (11) has two rotation axis (5), two rotation axis (12) and the bottom rigid couplings of gear (13) have seted up the meshing of rotating block (11).

2. The relief valve for hydraulic equipment according to claim 1, characterized in that: two the length of rotor plate (8) is less than the length of two third sliding blocks (9), and two the both ends of rotation axis (12) all rotate through the bearing and set up in the inner chamber both sides of fixed box (2).

3. The relief valve for hydraulic equipment according to claim 1, characterized in that: cambered surfaces are formed in the ends, far away from the sliding plate (6), of the two rotating plates (8).

4. The relief valve for hydraulic equipment according to claim 1, characterized in that: two the equal rigid coupling of one end of keeping away from sliding plate (6) of third sliding block (9) has fourth sliding block (10), the spout has all been seted up to the inner chamber both sides of fixed box (2), two fourth sliding block (10) slide and set up in the inside of two spouts.

5. The relief valve for hydraulic equipment according to claim 1, characterized in that: one end of the sliding plate (6) is arranged at the bottom of the fixed box (2) in a sliding mode, and the second sliding block (7) is arranged inside the valve shell (1) in a sliding mode.

6. The relief valve for hydraulic equipment according to claim 1, characterized in that: the sliding column (3) is inserted at the top of the fixed box (2) in a sliding manner, and the bottom of the sliding column (3) is fixedly connected with the top of the sliding plate (6).